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37 Cr 4 | 1.7034 Material Datasheet

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Material Description

Material Number Material Number (single) Standard Range of Application Standard Status Country Successor
1.7034 (DIN 1654-4 : 1989-10) 1.7034 DIN 1654-4 : 1989-10 DIN 1654-4 : 1989-10 replaced by DIN EN 10263-4 : 2002-02 Replaced Germany 37Cr4 1)
1) Remark: The cold-upsettable steel 37 Cr 4 can be cold-formed with a medium to high rate of forming according to the usual forming methods on single-stage and multi-stage presses. It is used for screws of strength class 8.8 in the thick dimension range.

Chemical Composition

C [%] Cr [%] Mn [%] P [%] S [%] Si [%]
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Mechanical Properties

Semi-finished Product Condition Nominal Size [mm] Temperature [°C] Specimen Direction Tensile Strength [MPa] Yield Strength [MPa] Elongation A [%] Reduction of Area [%]
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Physical Properties

Temperature [°C] Density [g/cm³] Young's Modulus [GPa] Poisson's Ratio Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] Differential Coefficient of Thermal Expansion [10^-6*K^-1] Thermal Conductivity [W/(m*K)] Thermal Diffusivity [10^-6 m²/s] Specific Electrical Resistance [µΩm] Mean Specific Heat Capacity [kJ/(kg*K)] True Specific Heat Capacity [kJ/(kg*K)]
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Toughness Data (Impact)

Condition Nominal Size [mm] Temperature [°C] Specimen Shape Specimen Direction Notch Impact Energy [J]
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Heat Treatment

Heat Treatment Step Temperature [°C] Medium
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Cross Reference

Material Name Country Standard
37 Cr 4 Belgium NBN 253-02
14140 Czech Republik/Slovakia CSN 414140
38 C 4 France NF A 35-577
530 M 36 Great Britain BS 970/1
40 Ch Russia GOST 4543
C 15 International ISO 4954-79
38 Cr 4 KB Italy UNI 7356
SCr 435 Japan JIS G 4104
38 HA Poland PN H-84030/04
F.1210-38Cr4DF Spain UNE 36-034
5135 USA ASTM A 322
37Cr4 Germany DIN EN 10263-4

Producer/Supplier/Trade names

Tradename Supplier
37 Cr 4 AG der Dillinger Hüttenwerke, Dillingen
37 Cr 4 ArcelorMittal Commercial Germany, Cologne
37 Cr 4 Hoesch Hohenlimburg GmbH, Hagen
37 Cr 4 Salzgitter Flachstahl GmbH, Salzgitter
37 Cr 4 ThyssenKrupp Steel Europe AG, Duisburg
37 Cr 4 voestalpine AG, Linz
37 Cr 4 Saarstahl AG, Völklingen
37 Cr 4 Georgsmarienhütte GmbH, Georgsmarienhütte
37 Cr 4 Swiss Steel International GmbH, Düsseldorf
37 Cr 4 Dörrenberg Edelstahl GmbH, Engelskirchen
37 Cr 4 Hagenkötter GmbH & Co., Solingen
37 Cr 4 Chr. Höver & Sohn GmbH & Co KG, Lindlar
37 Cr 4 Hermann Stahlschmidt Stahlgesellschaft m. b. H., Willich
37 Cr 4 Stahlwerk Unna GmbH & Co.KG, Unna
37 Cr 4 SHW AG, Aalen
37 Cr 4 ZAPP AG, Ratingen
37 Cr 4 Haage Anagramm Technologien GmbH, Mülheim a. d. Ruhr
37 Cr 4 Bochumer Verein Verkehrstechnik GmbH, Bochum
37 Cr 4 ArcelorMittal Stahlhandel GmbH, Niederlassung Ravené, Berlin
37 Cr 4 C.D. Wälzholz GmbH & Co. KG, Hagen
37 Cr 4 Böllinghaus Steel GmbH, Hilden
37 Cr 4 WDI - Westfälische Drahtindustrie GmbH, Hamm
37 Cr 4 Vallourec Deutschland GmbH, Düsseldorf
37 Cr 4 ROPA STAHLVERTRIEB GMBH, Bad Bergzabern
37 Cr 4 Vallourec Deutschland GmbH, Mülheim
37 Cr 4 Stahlwerk Bous GmbH, Bous
Almenit 7034 Almenit, Mittelberg
BGH 7034 BGH Edelstahl Siegen GmbH
Buderus 37 Cr 4 Buderus Edelstahl GmbH, Wetzlar
DIRO-37 Cr 4 DIROSTAHL, Remscheid
Klöckner 37 Cr 4 Klöckner & Co SE, Duisburg
TEW K 37 Cr 4 Deutsche Edelstahlwerke Specialty Steel GmbH & Co. KG, Witten
TS 37 Cr 4 ThyssenKrupp Schulte GmbH, Essen

Material Compliance

REACh RoHS
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Hardenability (Jominy test)

Condition Front Distance [mm] Hardness HRC
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Linear-elastic

Temperature [°C] Young's modulus [GPa] Bulk modulus [GPa] Shear modulus [GPa] Poisson's ratio
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Alternating stress

Temperature [°C] Stress ratio Mean stress [MPa] Alternating stress [MPa] Cycles
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Electrical resistivity

Temperature [°C] Specific electrical resistance [µΩm]
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Coefficient thermal expansion

Related Temperature [°C] Temperature [°C] Coefficient thermal expansion [10^-6*K^-1]
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Specific heat

Temperature [°C] Specific heat [kJ/(kg*K)]
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Density

Temperature [°C] Density [g/cm³]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Thermal conductivity

Temperature [°C] Thermal conductivity [W/(m*K)]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Designation

Designation Material number Source
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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Yield strength

Temperature [°C] 0.1% Proof strength [MPa] 0.2% Proof strength [MPa] Yield strength [MPa]
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Tensile strength

Temperature [°C] Tensile strength [MPa]
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Classification

WIAM Material Treatment Semi-finished product Dimension [mm] Load type Failure criteria Rolling direction Maximum stress [MPa] Strain at maximum stress [%] Source description
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